<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>echarts for bar</title>
    <link rel="stylesheet" href="../dist/echarts.min.css">
    <script src="../dist/echarts.min.js"></script>
</head>
<body>
<div id="main" style="height: 720px;width: 100%;">
</div>
<div class="text-center">
    <button class="btn btn-primary" onclick="change()">数据变换</button>
</div>
<script src="../app/bar/bar.min.js"></script>
</body>
</html>